can you use your own stuff? >> in this case it's water, that's the choice, water, which does a good job or you can put in a few drops of our scooba instamatic floor cleaner. >> reporter: for those scared of cleaning gutters, there's one to do that job called the luge. unlike the olympic sport you don't need the skin-tight suit and the helmet? >> that's right. and i wouldn't recommend you ride it either. >> reporter: this is just the beginning of the age of household robots. and engel sees plenty of opportunities in the future, even if it might take some getting used to. >> the home of the future is going to have a number of different robots. so, you'll have task-specific robots, but then you need to tie it all together. the butler, the robot that i interact with. i told him what i wanted done, where i wanted it to be done, and he would then go and activate the roomba to go actually -- or the scooba to go clean. ♪ >> reporter: a robot butler may be a few years away but there are a number of other companies offe